:root {
  color-scheme: dark;
  --bg: #090b10;
  --panel: #121720;
  --panel-strong: #171d27;
  --line: rgba(255, 255, 255, 0.13);
  --muted: #9aa7b6;
  --text: #f4f7fb;
  --amber: #ffbd4a;
  --green: #53d986;
  --tunnel: #222b38;
  --danger: #ff6b6b;
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100svh;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 189, 74, 0.18), transparent 28rem),
    linear-gradient(140deg, rgba(28, 38, 52, 0.75), transparent 42%),
    var(--bg);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0 auto 0 50%;
  width: 76px;
  translate: -50% 0;
  pointer-events: none;
  opacity: 0.14;
  background:
    linear-gradient(90deg, transparent 0 34px, #fff 34px 42px, transparent 42px),
    repeating-linear-gradient(180deg, transparent 0 34px, rgba(255,255,255,0.8) 34px 76px, transparent 76px 112px);
  mask-image: linear-gradient(180deg, transparent, black 8%, black 86%, transparent);
}

button,
input {
  font: inherit;
}

button {
  min-height: 56px;
  border: 0;
  border-radius: 16px;
  background: var(--amber);
  color: #171006;
  font-weight: 850;
  cursor: pointer;
  transition: transform 160ms ease, filter 160ms ease;
}

button:hover {
  filter: brightness(1.05);
}

button:active {
  transform: scale(0.98);
}

.app-shell {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 22px 16px 34px;
}

.masthead {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 210px;
  justify-content: end;
  padding: 28px 0 22px;
  border-bottom: 1px solid var(--line);
}

.eyebrow,
.section-kicker {
  margin: 0 0 8px;
  color: var(--amber);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  max-width: 780px;
  font-size: clamp(2.35rem, 9vw, 5.6rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 1.35rem;
  letter-spacing: 0;
}

.trip-name {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.status-pill {
  width: fit-content;
  border: 1px solid rgba(83, 217, 134, 0.4);
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--green);
  background: rgba(83, 217, 134, 0.08);
  font-weight: 800;
}

.masthead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.sound-toggle,
.secondary-action {
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.entry-panel,
.tally-strip,
.panel,
.summary-panel,
.metric-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.26);
}

.entry-panel {
  margin-top: 20px;
  padding: 18px;
}

.entry-form {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.secondary-action {
  width: 100%;
  margin-top: 12px;
}

input {
  width: 100%;
  min-height: 60px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 16px;
  padding: 0 16px;
  background: #080b11;
  color: var(--text);
  font-size: 1rem;
}

input:focus {
  outline: 3px solid rgba(255, 189, 74, 0.26);
  border-color: var(--amber);
}

.form-message {
  min-height: 24px;
  margin: 12px 0 0;
  color: var(--green);
  font-weight: 800;
}

.form-message.error {
  color: var(--danger);
}

.event-banner {
  display: none;
  margin-top: 16px;
  border: 1px solid rgba(255, 189, 74, 0.48);
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(255, 189, 74, 0.14);
  color: var(--amber);
  font-size: 1.25rem;
  font-weight: 900;
  animation: bannerPulse 800ms ease both;
}

.event-banner.show {
  display: block;
}

.tally-strip,
.summary-panel {
  margin-top: 16px;
  padding: 18px;
}

.section-heading {
  margin-bottom: 14px;
}

.tally-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.tally-grid div,
.crew-list span,
.milestone-list li,
.leaderboard li {
  border-top: 1px dashed rgba(255, 255, 255, 0.18);
  padding-top: 12px;
}

.tally-grid span,
.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.tally-grid strong {
  display: block;
  margin-top: 5px;
  font-size: 1.45rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.metric-card {
  min-height: 126px;
  padding: 16px;
}

.metric-card strong {
  display: block;
  margin-top: 14px;
  font-size: clamp(1.45rem, 8vw, 2.55rem);
  line-height: 1;
}

.metric-card.wide {
  grid-column: 1 / -1;
}

.progress-track {
  height: 10px;
  margin-top: 18px;
  overflow: hidden;
  border-radius: 999px;
  background: #07090d;
}

.progress-track div {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--amber), var(--green));
  transition: width 260ms ease;
}

.two-column {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.facts-panel,
.badges-panel {
  margin-top: 16px;
}

.facts-grid,
.badge-grid {
  display: grid;
  gap: 10px;
}

.facts-grid p,
.badge {
  margin: 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.18);
  padding-top: 12px;
}

.facts-grid p {
  color: var(--muted);
  line-height: 1.45;
}

.badge {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  gap: 10px;
  align-items: center;
  color: var(--muted);
}

.badge span {
  font-size: 1.35rem;
}

.badge strong {
  color: inherit;
}

.badge small {
  color: var(--muted);
  font-weight: 800;
}

.badge.unlocked {
  color: var(--text);
}

.panel {
  padding: 18px;
}

.crew-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.crew-list span {
  font-size: 1.45rem;
  font-weight: 900;
}

.milestone-list,
.leaderboard ol,
.leaderboard-list,
#leaderboard-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.milestone-list {
  display: grid;
  gap: 12px;
}

.milestone-list li,
.leaderboard li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.milestone-list li.complete {
  color: var(--text);
}

.leaderboard {
  margin-top: 16px;
}

.leaderboard li {
  min-height: 48px;
  font-weight: 800;
}

.leaderboard small {
  color: var(--muted);
  font-weight: 700;
}

.summary-panel {
  display: grid;
  gap: 16px;
  background:
    linear-gradient(135deg, rgba(255,189,74,0.12), transparent 48%),
    var(--panel-strong);
}

.summary-panel p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.milestone-popup {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 20px;
  z-index: 20;
  display: grid;
  gap: 4px;
  max-width: 520px;
  margin: 0 auto;
  border: 1px solid rgba(83, 217, 134, 0.55);
  border-radius: 18px;
  padding: 16px 18px;
  background: rgba(12, 18, 25, 0.95);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.42);
  opacity: 0;
  pointer-events: none;
  transform: translateY(18px) scale(0.98);
}

.milestone-popup strong {
  font-size: 1.2rem;
}

.milestone-popup span {
  color: var(--muted);
  font-weight: 800;
}

.milestone-popup.show {
  animation: popupIn 320ms ease forwards;
}

.confetti-layer {
  position: fixed;
  inset: 0;
  z-index: 19;
  pointer-events: none;
  overflow: hidden;
}

.confetti-layer span {
  position: absolute;
  top: -18px;
  width: 8px;
  height: 14px;
  border-radius: 2px;
  animation: confettiFall 1500ms cubic-bezier(.2,.8,.2,1) forwards;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 720px) {
  .app-shell {
    padding: 30px 28px 46px;
  }

  .masthead {
    flex-direction: row;
    align-items: end;
    justify-content: space-between;
  }

  .entry-form {
    grid-template-columns: 1fr 210px;
  }

  .secondary-action {
    width: auto;
    min-width: 210px;
  }

  .tally-grid,
  .dashboard-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .metric-card.wide {
    grid-column: span 2;
  }

  .two-column {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .summary-panel {
    grid-template-columns: 1fr 190px;
    align-items: center;
  }

  .facts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .badge-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@keyframes bannerPulse {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes popupIn {
  0% {
    opacity: 0;
    transform: translateY(18px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes confettiFall {
  0% {
    transform: translateY(-20px) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(105vh) rotate(520deg);
    opacity: 0;
  }
}